2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: src/sys/isa/atkbd_isa.c,v 1.7.2.3 2001/08/01 10:42:28 yokota Exp $
27 * $DragonFly: src/sys/dev/misc/atkbd/atkbd_isa.c,v 1.4 2005/05/24 20:59:00 dillon Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
37 #include <machine/bus.h>
38 #include <machine/resource.h>
42 #include <dev/misc/kbd/kbdreg.h>
43 #include <dev/misc/kbd/atkbdreg.h>
44 #include <dev/misc/kbd/atkbdcreg.h>
46 #include <bus/isa/isareg.h>
47 #include <bus/isa/isavar.h>
50 struct resource *intr;
54 devclass_t atkbd_devclass;
56 static int atkbdprobe(device_t dev);
57 static int atkbdattach(device_t dev);
58 static int atkbdresume(device_t dev);
59 static void atkbd_isa_intr(void *arg);
61 static device_method_t atkbd_methods[] = {
62 DEVMETHOD(device_probe, atkbdprobe),
63 DEVMETHOD(device_attach, atkbdattach),
64 DEVMETHOD(device_resume, atkbdresume),
68 static driver_t atkbd_driver = {
71 sizeof(atkbd_softc_t),
75 atkbdprobe(device_t dev)
80 device_set_desc(dev, "AT Keyboard");
82 /* obtain parameters */
83 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq);
84 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags);
86 /* probe the device */
87 return atkbd_probe_unit(device_get_unit(dev),
88 device_get_unit(device_get_parent(dev)),
93 atkbdattach(device_t dev)
102 sc = device_get_softc(dev);
104 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq);
105 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags);
107 error = atkbd_attach_unit(device_get_unit(dev), &kbd,
108 device_get_unit(device_get_parent(dev)),
113 /* declare our interrupt handler */
115 sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq, irq, 1,
116 RF_SHAREABLE | RF_ACTIVE);
117 BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, INTR_TYPE_TTY,
118 atkbd_isa_intr, kbd, &sc->ih, NULL);
124 atkbdresume(device_t dev)
128 kbd = kbd_get_keyboard(kbd_find_keyboard(ATKBD_DRIVER_NAME,
129 device_get_unit(dev)));
131 (*kbdsw[kbd->kb_index]->clear_state)(kbd);
136 atkbd_isa_intr(void *arg)
140 kbd = (keyboard_t *)arg;
141 (*kbdsw[kbd->kb_index]->intr)(kbd, NULL);
144 DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0);